

656 

WWUS20 KWNS 181830

SEL2

SPC WW 181830

NDZ000-SDZ000-190200-



URGENT - IMMEDIATE BROADCAST REQUESTED

TORNADO WATCH NUMBER 322

NWS STORM PREDICTION CENTER NORMAN OK

130 PM CDT WED JUN 18 2014



THE NWS STORM PREDICTION CENTER HAS ISSUED A



* TORNADO WATCH FOR PORTIONS OF

  SOUTHWEST AND SOUTH-CENTRAL NORTH DAKOTA

  NORTHWEST AND CENTRAL SOUTH DAKOTA



* EFFECTIVE THIS WEDNESDAY AFTERNOON AND EVENING FROM 130 PM

  UNTIL 900 PM CDT.



* PRIMARY THREATS INCLUDE...

  A COUPLE TORNADOES POSSIBLE

  SCATTERED LARGE HAIL AND ISOLATED VERY LARGE HAIL EVENTS TO 2.5

    INCHES IN DIAMETER POSSIBLE

  ISOLATED DAMAGING WIND GUSTS TO 70 MPH POSSIBLE



THE TORNADO WATCH AREA IS APPROXIMATELY ALONG AND 80 STATUTE

MILES EAST AND WEST OF A LINE FROM 25 MILES SOUTH OF PIERRE SOUTH

DAKOTA TO 20 MILES NORTHWEST OF BISMARCK NORTH DAKOTA.  FOR A

COMPLETE DEPICTION OF THE WATCH SEE THE ASSOCIATED WATCH OUTLINE

UPDATE (WOUS64 KWNS WOU2).



PRECAUTIONARY/PREPAREDNESS ACTIONS...



REMEMBER...A TORNADO WATCH MEANS CONDITIONS ARE FAVORABLE FOR

TORNADOES AND SEVERE THUNDERSTORMS IN AND CLOSE TO THE WATCH

AREA. PERSONS IN THESE AREAS SHOULD BE ON THE LOOKOUT FOR

THREATENING WEATHER CONDITIONS AND LISTEN FOR LATER STATEMENTS

AND POSSIBLE WARNINGS.



&&



OTHER WATCH INFORMATION...CONTINUE...WW 321...



DISCUSSION...THUNDERSTORMS DEVELOPING ALONG AND EAST OF AN INVERTED

TROUGH SHOULD CONTINUE TO INTENSIFY TODAY WITH SUPERCELL STORM MODES

LIKELY. VERY LARGE HAIL...LOCALLY DAMAGING WINDS AND A COUPLE OF

TORNADOES APPEAR PROBABLE.



AVIATION...TORNADOES AND A FEW SEVERE THUNDERSTORMS WITH HAIL

SURFACE AND ALOFT TO 2.5 INCHES. EXTREME TURBULENCE AND SURFACE

WIND GUSTS TO 60 KNOTS. A FEW CUMULONIMBI WITH MAXIMUM TOPS TO

500. MEAN STORM MOTION VECTOR 24020.





...MEAD

